diff options
Diffstat (limited to 'benchmark/bm_so_mandelbrot.rb')
| -rw-r--r-- | benchmark/bm_so_mandelbrot.rb | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/benchmark/bm_so_mandelbrot.rb b/benchmark/bm_so_mandelbrot.rb index dd1d75ba1..76331c64b 100644 --- a/benchmark/bm_so_mandelbrot.rb +++ b/benchmark/bm_so_mandelbrot.rb @@ -3,7 +3,8 @@ # # contributed by Karl von Laudermann # modified by Jeremy Echols -size = 1000 # ARGV[0].to_i + +size = 600 # ARGV[0].to_i puts "P4\n#{size} #{size}" @@ -14,9 +15,6 @@ byte_acc = 0 bit_num = 0 count_size = size - 1 # Precomputed size for easy for..in looping -def id(x) - x -end # For..in loops are faster than .upto, .downto, .times, etc. for y in 0..count_size @@ -40,23 +38,18 @@ for y in 0..count_size end end -# byte_acc = (byte_acc << 1) | (escape ? 0b0 : 0b1) - byte_acc = (byte_acc * 2) | (escape ? 0b0 : 0b1) -# byte_acc = (byte_acc * 2) + (escape ? 0b0 : 0b1) -# byte_acc = (byte_acc * 2) + 1 - + byte_acc = (byte_acc << 1) | (escape ? 0b0 : 0b1) bit_num += 1 # Code is very similar for these cases, but using separate blocks # ensures we skip the shifting when it's unnecessary, which is most cases. if (bit_num == 8) -# print byte_acc.chr + print byte_acc.chr byte_acc = 0 bit_num = 0 elsif (x == count_size) byte_acc <<= (8 - bit_num) -# byte_acc = byte_acc << (8 - bit_num) -# print byte_acc.chr + print byte_acc.chr byte_acc = 0 bit_num = 0 end |